National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Overcast

79°F

26°C

Humidity 84%
Wind Speed NA
Barometer 29.81 in
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index83°F (28°C)
Last update 18 May 5:53 am CDT
Extended Forecast for

Lucas TX

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 89. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 73. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 77. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 65. South southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 5 mph.

    High: 80 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 89. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 73. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 65. East northeast wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 77. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 65. South southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lucas TX
 33.08°N 96.57°W (Elev. 499 ft)
Last Update:
6:06 am CDT May 18, 2026
Forecast Valid:
6am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation